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// Copyright (c) 2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// This file contains the GLES2Decoder class.
#ifndef GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_H_
#define GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_H_
#include <build/build_config.h>
#if defined(OS_WIN)
#include <windows.h>
#endif
#include "base/callback.h"
#if defined(OS_MACOSX)
#include "chrome/common/transport_dib.h"
#endif
#include "gpu/command_buffer/service/common_decoder.h"
namespace gpu {
// Forward-declared instead of including x_utils.h, because including glx.h
// causes havok.
class XWindowWrapper;
namespace gles2 {
class ContextGroup;
// This class implements the AsyncAPIInterface interface, decoding GLES2
// commands and calling GL.
class GLES2Decoder : public CommonDecoder {
public:
typedef error::Error Error;
// Creates a decoder.
static GLES2Decoder* Create(ContextGroup* group);
virtual ~GLES2Decoder();
bool debug() const {
return debug_;
}
void set_debug(bool debug) {
debug_ = debug;
}
#if defined(OS_LINUX)
void set_window_wrapper(XWindowWrapper *window) {
window_ = window;
}
XWindowWrapper* window() const {
return window_;
}
#elif defined(OS_WIN)
void set_hwnd(HWND hwnd) {
hwnd_ = hwnd;
}
HWND hwnd() const {
return hwnd_;
}
#elif defined(OS_MACOSX)
virtual uint64 SetWindowSizeForIOSurface(int32 width, int32 height) = 0;
virtual TransportDIB::Handle SetWindowSizeForTransportDIB(int32 width,
int32 height) = 0;
virtual void SetTransportDIBAllocAndFree(
Callback2<size_t, TransportDIB::Handle*>::Type* allocator,
Callback1<TransportDIB::Id>::Type* deallocator) = 0;
#endif
// Initializes the graphics context.
// Returns:
// true if successful.
virtual bool Initialize() = 0;
// Destroys the graphics context.
virtual void Destroy() = 0;
// Make this decoder's GL context current.
virtual bool MakeCurrent() = 0;
// Gets a service id by client id.
virtual uint32 GetServiceIdForTesting(uint32 client_id) = 0;
// Sets a callback which is called when a SwapBuffers command is processed.
virtual void SetSwapBuffersCallback(Callback0::Type* callback) = 0;
protected:
explicit GLES2Decoder(ContextGroup* group);
ContextGroup* group_;
private:
bool debug_;
#if defined(OS_LINUX)
XWindowWrapper *window_;
#elif defined(OS_WIN)
// Handle to the GL device.
HWND hwnd_;
#endif
DISALLOW_COPY_AND_ASSIGN(GLES2Decoder);
};
} // namespace gles2
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_H_
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